Fig. 1From: Tendon stem cell-derived exosomes regulate inflammation and promote the high-quality healing of injured tendonAchilles tendon injury model. a The central one third of the Achilles tendon was removed to create a tendon defect. b GelMA containing TSC-Exos was infused into the Achilles tendon defect. c Radiation with 405 nm light source for 10–20 s at a distance of 3 cm from the tendon defect. d Crosslinking to form the gel stateBack to article page